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Finding the Fourth Proportional to 65,792.57, 90,790.27 and 37,111.41

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Solution

The fourth proportional to 65,792.57, 90,790.27 and 37,111.41 is: 51,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,792.57 : 90,790.27 = 37,111.41 : x
  2. Step 2: Convert to fraction form
    65,792.57/90,790.27 = 37,111.41/x
  3. Step 3: Cross multiply
    65,792.57x = 90,790.27 × 37,111.41
  4. Step 4: Simplify right side
    65,792.57x = 3,369,354,841.20
  5. Step 5: Solve for x
    x = 3,369,354,841.20/65,792.57
  6. Step 6: Final answer
    x = 51,211.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.